722454764 has 12 divisors (see below), whose sum is σ = 1285725000. Its totient is φ = 355104768.

The previous prime is 722454731. The next prime is 722454827. The reversal of 722454764 is 467454227.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530389 + ... + 1530860.

It is an arithmetic number, because the mean of its divisors is an integer number (107143750).

Almost surely, 2^722454764 is an apocalyptic number.

It is an amenable number.

722454764 is a deficient number, since it is larger than the sum of its proper divisors (563270236).

722454764 is a wasteful number, since it uses less digits than its factorization.

722454764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061312 (or 3061310 counting only the distinct ones).

The product of its digits is 376320, while the sum is 41.

The square root of 722454764 is about 26878.5186347760. The cubic root of 722454764 is about 897.2983856685.

The spelling of 722454764 in words is "seven hundred twenty-two million, four hundred fifty-four thousand, seven hundred sixty-four".